فهرس المقالات Heterogeneous acid catalyst حرية الوصول المقاله صفحة الملخص نص كامل 1 - A simple and green approach for the synthesis of substituted dihydro-2-oxypyrroles catalyzed by nano-Fe3O4@SiO2/SnCl4 superparamagnetic nanoparticles Bi Bi Fatemeh Mirjalili Reza Araqi Seyed Ahmad Mohajeri
